Atlanta , Georgia -LRB- CNN -RRB- -- A Georgia Capitol police corporal was grazed by a bullet Wednesday afternoon during an exchange of gunfire with a man suspected of being part of a chop shop ring , authorities said .

Three suspects , one of them wounded , were in custody , said Georgia Bureau of Investigation spokesman John Bankhead .

The wounded officer was assisting a state trooper tracking a LoJack device in a suspected stolen motorcycle a few blocks from the Georgia Capitol in downtown Atlanta , Bankhead said . Several motorcycles were in a trailer attached to an SUV in an alley and the suspects were unloading them .

The two officers approached one of the suspects shortly before 2 p.m. at an alleyway . One suspect brandished a weapon and a gun battle ensued , authorities said . The corporal was wounded by gunfire . CNN affiliates WSB-TV and WXIA reported the trooper wounded the suspected shooter shortly afterward .

The police officer suffered a flesh wound in the head and was taken to Grady Memorial Hospital . WSB-TV reported he was released from the hospital .

The injured suspect was taken to the same hospital and underwent surgery , Bankhead said . His condition was not available .

Witnesses recalled a wild scene as swarms of officers looked for the two other suspects , who were found in a building by SWAT officers .

Charges were pending Wednesday evening . The GBI and Atlanta Police Department will determine whether all of the motorcycles were stolen , Bankhead said .

One of the suspects has an uspecified outstanding warrant in Fayette County , south of Atlanta , the GBI said .

CNN 's Vivian Kuo contributed to this article .

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NEW : Three suspects , one of them wounded , are in custody

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Officer wounded while looking into stolen motorcycles report

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The Georgia Capitol police officer was grazed in the shooting